Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.


The best Code Learning alternative to HackerRank is exercism, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to HackerRank and 14 are Code Learning Services so hopefully you can find a suitable replacement. Other interesting Code Learning Service alternatives to HackerRank are tutorialspoint, Project Euler, CodinGame and CodeSignal.
Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.


Free tutorials and reference manuals with examples for Computer Fundamentals, JSF, C Sharp, Flex, GWT, PL/SQL, Eclipse, JUnit, Pascal, Maven, Scala, Spring, Struts 2, HTML5, ANT, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails...

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.


CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics.


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CodeSignal is the leading provider of assessments for technical hires. As the creator of the Predictive Coding Score, a measure of a candidates coding skills, CodeSignal provides HR teams with Certified Assessments, Custom Tests, and Live Interviews.








When learning to code, most people get stuck on the "bridge" between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases:



Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime.
Level up your coding skills with a gamified twist! Tackle exercises across major languages, enjoy real-time stats, and climb weekly leagues. Keep your streak, compete with friends, and progress through categories. Available on iOS and Web.




SQL Noir is a free, browser-based game that helps you learn and practice SQL by solving fictional crimes. Each mission presents a new detective case, complete with its own database full of clues hidden in tables, records, and relationships. Your job?




SharpSkill helps developers prepare client interviews efficiently. Practice with realistic interview simulators, review concise flashcards, and complete practical technical tests. Built for real-world client interviews (architecture, fundamentals, trade-offs), not FAANG-style...




Practice coding for free with hundreds of real-world problems that strengthen your problem-solving and algorithmic thinking skills. Explore challenges across different topics, learn new techniques, and grow your confidence as a programmer.

Awesome content and games, great way to find jobs, active and nice community